From: Simon Horman <horms@kernel•org>
To: Haiyang Zhang <haiyangz@microsoft•com>
Cc: linux-hyperv@vger•kernel.org, netdev@vger•kernel.org,
decui@microsoft•com, stephen@networkplumber•org,
kys@microsoft•com, paulros@microsoft•com, olaf@aepfle•de,
vkuznets@redhat•com, davem@davemloft•net, wei.liu@kernel•org,
edumazet@google•com, kuba@kernel•org, pabeni@redhat•com,
leon@kernel•org, longli@microsoft•com,
ssengar@linux•microsoft.com, linux-rdma@vger•kernel.org,
daniel@iogearbox•net, john.fastabend@gmail•com,
bpf@vger•kernel.org, ast@kernel•org, sharmaajay@microsoft•com,
hawk@kernel•org, tglx@linutronix•de,
shradhagupta@linux•microsoft.com, linux-kernel@vger•kernel.org
Subject: Re: [PATCH net,v2, 3/3] net: mana: Fix oversized sge0 for GSO packets
Date: Tue, 3 Oct 2023 11:20:29 +0200 [thread overview]
Message-ID: <ZRvc3fi1Whe+wnJy@kernel.org> (raw)
In-Reply-To: <1696020147-14989-4-git-send-email-haiyangz@microsoft.com>
On Fri, Sep 29, 2023 at 01:42:27PM -0700, Haiyang Zhang wrote:
> Handle the case when GSO SKB linear length is too large.
>
> MANA NIC requires GSO packets to put only the header part to SGE0,
> otherwise the TX queue may stop at the HW level.
>
> So, use 2 SGEs for the skb linear part which contains more than the
> packet header.
>
> Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft•com>
> ---
> v2: coding style updates suggested by Simon Horman
Reviewed-by: Simon Horman <horms@kernel•org>
next prev parent reply other threads:[~2023-10-03 9:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-29 20:42 [PATCH net,v2, 0/3] net: mana: Fix some TX processing bugs Haiyang Zhang
2023-09-29 20:42 ` [PATCH net,v2, 1/3] net: mana: Fix TX CQE error handling Haiyang Zhang
2023-10-03 10:27 ` Shradha Gupta
2023-09-29 20:42 ` [PATCH net,v2, 2/3] net: mana: Fix the tso_bytes calculation Haiyang Zhang
2023-10-03 10:17 ` Shradha Gupta
2023-09-29 20:42 ` [PATCH net,v2, 3/3] net: mana: Fix oversized sge0 for GSO packets Haiyang Zhang
2023-10-03 9:20 ` Simon Horman [this message]
2023-10-03 10:46 ` Shradha Gupta
2023-10-05 10:00 ` [PATCH net,v2, 0/3] net: mana: Fix some TX processing bugs patchwork-bot+netdevbpf
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